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# Logical Reasoning :: Number Series

Home > Logical Reasoning > Number Series > General Questions

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21. Find the next term of the following series.
3,7,10,8,4,12,0,5,5,3,2,?

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Explanation:

3+7=10,8+4=12,0+5=5,so 3+2=5

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22.

Find the next term of the following series.

2,9,5,49,11,169,?

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Explanation:

In a series of prime numbers 2 , 3 , 5 , 7 , 11 , 13 , 17 , 19 , 23 , 29 , 31 , 37

In this given series, the first number is kept such and the next number is squared so the series follows with alternative prime numbers having its square value like given below

2 , 9 ,5 , 49 , 11 , 169 , 17 , 361 , 23 , 841 , 31 , 1369…

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23. Find the next term of the following series.
2,6,5,14,11,26,17,?

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Explanation:

Here is no explanation for this answer

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24. Find the next term of the following series.
7,0,1,8,5,12,9,26,3,23,2,?

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Explanation:

Here is no explanation for this answer

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25. Find the next term of the following series. 5,16,22,68,28,87,34,106,11,?

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Explanation:

5*3+1=16

22*3+2=68

28*3+3=87

34*3+4=106

So, 11*3+5=38

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26. Find the next term of the following series.
18,24,5,21,27,8,17,23,4,24,30,?

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Explanation:

18 3=21             24 3=27                5 3=8

21-4=17             27-4=23                  8-4=4

17 7=24           23 7=30                  4 7=11

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27. Find the next term of the following series.
49,7,98, 16,4,48, 9,3,36, 25,5,?

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Explanation:

The correct pattern is + 6^3, + 5^3, + 4^3, + 3^3,

So, 521 is wrong and must be replaced by (498 + 3^3) i.e. 525.

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28. Find the next term of the following series.
3,5,2,100,4,7,3,196,1,6,5,?

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Explanation:

Here is no explanation for this answer

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29. Find the number that can be put in place of the question mark.
2,6,18,54,162,486,?

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Explanation:

2*3=6

6*3=18

18*3=54

54*3=162

162*3=486

486*3=1458

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30. Find the number that can be put in place of the question mark.
4,20,35,49,62,74,?

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